Using Al(NO3)3·9H2O and ZrOCl2·8H2O as the main raw materials, the precursor was prepared by heating of alcohol-aqueous salt solutions combined with co-precipitation method. DTA-TG and XRD analysis were performed to investigate the calcining process of the precursor. The results showed that the precursor decomposed and transformed to be amorphous oxide at 275℃.The t-ZrO2 crystals appeared when the precursor calcined at 800℃,but α-A12O3 could not be identified until calcined at 1150℃, thus obtained the 3Y-Zr...
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